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<=KNEC diploma in ICT module II: System Analysis and Design past paper July 2014
Explain three circumstances that would necessitate use of decision support system (DSS) in organizations.
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Questions List:
1. Outline two typical qualities of a system analyst in organizations
2. Distinguish between scientific and deterministic approaches as used in system thinking
3. Explain three limitations of hard system thinking as used in development
4. Outline four elements of a system design
5. Alice intends to create system documentation for her company’s information system. Explain four uses of the documentation
6. Explain the term robustness as used in information
7. Differentiate between input mask and validation text as used in data input
8. Explain the term respondent as used in system investigation
9. Maria was discussing benefits of usability as a quality in system design. Explain two benefits she could have emphasized
10. Liz intends to select file organization method for an information system. Outline four criteria that she is likely to consider
11. Joy was required to formulate a term of reference document for an information system. Outline four factors that she could consider to carry out the task
12. Differentiate between one-off costs and intangible costs as used in system analysis
13. Maro intends to use Entity Life History (ELH) model to analyze a proposed information system. Explain two advantages of the model
14. With the aid of a diagram in each case, describe the following types of relationships: (4 marks) (i) one – to –many; (ii) many-to-many.
15. Explain two weaknesses of Hierarchical input-output (HIPO) chart as used in systems design
16. Jorum used phased changeover during implementation of an information system. Explain two possible drawbacks of the changeover strategy
17. State two participants that could be invited for a walkthrough meeting during system development
18. Outline three types of application controls that could be incorporated in an information system
19. Cindy, an intern student with a certain system development company was required to develop a test plan for information. Outline four guidelines that she could use
20. With the aid of a diagram in each case, describe two symbols that could be found in a program flowchart
21. Outline two characteristics of graphical user interface
22. Differentiate between verification and validation as used in waterfall model
23. Aaron was preparing for a presentation on reasons that necessitates system maintenance. Outline four reasons that he is likely to have listed on his presentation
24. Dan used black-box testing on information system that he was developing. Outline four limitation that he could experience.
25. Raph intends to use prototyping for determining user requirements only. (i) Explain the most appropriate type of prototype he could have used. (2 marks) (ii) Explain two advantages of the type of prototyping in (i). (4 marks)
26. outline three benefits of carrying out system analysis in organizations
27. Differentiate between probabilistic and adaptive systems
28. Explain three circumstances that would necessitate use of decision support system (DSS) in organizations.
29. Explain the term environment as used in information systems
30. Flo was required to review as user manual document that was rejected by system users. Assume you were consulted by Flo advise her on four qualities that she could consider on the document
31. Outline three logical security measures that could be incorporated in a system
32. Jose intends to carry out an on job training for an information system that he was developing for one of his client. Outline five methods that he is likely to use.
33. Fred intends to use state transition diagram to design a proposed information system. Explain two benefits that he would realize from using the preferred design tool
34. Describe each of the following SDLC model: (i) iterative; (ii) spiral.
35. Angie intends to design a questionnaire for collecting data during feasibility studies. Outline five guidelines that she could use to achieve are goal.
36. Explain each of the following terms as used in system design: (4 marks) (i) Modularity; (ii) Cohesion
37. A group of students were carrying out an assignment on characteristics of an information system. Outline four characteristics that are likely to have listed
38. Explain the term selection bias as used in feasibility study
39. Jemo was required to review an information system in order for it to accommodates a new technology. (i) Identify the most appropriate type of maintenance that he could have used justifying your answer. (2 marks) (ii) Explain two challenges he could have experienced while carrying out the maintenance identified in (i). (4 marks)
1. Outline two typical qualities of a system analyst in organizations
2. Distinguish between scientific and deterministic approaches as used in system thinking
3. Explain three limitations of hard system thinking as used in development
4. Outline four elements of a system design
5. Alice intends to create system documentation for her company’s information system. Explain four uses of the documentation
6. Explain the term robustness as used in information
7. Differentiate between input mask and validation text as used in data input
8. Explain the term respondent as used in system investigation
9. Maria was discussing benefits of usability as a quality in system design. Explain two benefits she could have emphasized
10. Liz intends to select file organization method for an information system. Outline four criteria that she is likely to consider
11. Joy was required to formulate a term of reference document for an information system. Outline four factors that she could consider to carry out the task
12. Differentiate between one-off costs and intangible costs as used in system analysis
13. Maro intends to use Entity Life History (ELH) model to analyze a proposed information system. Explain two advantages of the model
14. With the aid of a diagram in each case, describe the following types of relationships: (4 marks) (i) one – to –many; (ii) many-to-many.
15. Explain two weaknesses of Hierarchical input-output (HIPO) chart as used in systems design
16. Jorum used phased changeover during implementation of an information system. Explain two possible drawbacks of the changeover strategy
17. State two participants that could be invited for a walkthrough meeting during system development
18. Outline three types of application controls that could be incorporated in an information system
19. Cindy, an intern student with a certain system development company was required to develop a test plan for information. Outline four guidelines that she could use
20. With the aid of a diagram in each case, describe two symbols that could be found in a program flowchart
21. Outline two characteristics of graphical user interface
22. Differentiate between verification and validation as used in waterfall model
23. Aaron was preparing for a presentation on reasons that necessitates system maintenance. Outline four reasons that he is likely to have listed on his presentation
24. Dan used black-box testing on information system that he was developing. Outline four limitation that he could experience.
25. Raph intends to use prototyping for determining user requirements only. (i) Explain the most appropriate type of prototype he could have used. (2 marks) (ii) Explain two advantages of the type of prototyping in (i). (4 marks)
26. outline three benefits of carrying out system analysis in organizations
27. Differentiate between probabilistic and adaptive systems
28. Explain three circumstances that would necessitate use of decision support system (DSS) in organizations.
29. Explain the term environment as used in information systems
30. Flo was required to review as user manual document that was rejected by system users. Assume you were consulted by Flo advise her on four qualities that she could consider on the document
31. Outline three logical security measures that could be incorporated in a system
32. Jose intends to carry out an on job training for an information system that he was developing for one of his client. Outline five methods that he is likely to use.
33. Fred intends to use state transition diagram to design a proposed information system. Explain two benefits that he would realize from using the preferred design tool
34. Describe each of the following SDLC model: (i) iterative; (ii) spiral.
35. Angie intends to design a questionnaire for collecting data during feasibility studies. Outline five guidelines that she could use to achieve are goal.
36. Explain each of the following terms as used in system design: (4 marks) (i) Modularity; (ii) Cohesion
37. A group of students were carrying out an assignment on characteristics of an information system. Outline four characteristics that are likely to have listed
38. Explain the term selection bias as used in feasibility study
39. Jemo was required to review an information system in order for it to accommodates a new technology. (i) Identify the most appropriate type of maintenance that he could have used justifying your answer. (2 marks) (ii) Explain two challenges he could have experienced while carrying out the maintenance identified in (i). (4 marks)
